硫酸アルミニウムヒドラジン複塩を含浸させたセピオライトの調製とアセトアルデヒドの吸着特性

概要

論文の詳細を見る
Previously, silicagel and activated clay were found as a suitable support of the hydrazinium aluminum sulfate(HAS) for the purpose of acetaldehyde adsorption. Although the adsorption amounut of these adsorbents were fairly large, it is difficult to prepare the adsorbents into a shape suitable for industrial use. It is advantageous if the adsorbent has big external surface area and good characteristics for fluid flow. In this paper, sepiolite was found as a suitable substrate for HAS impregnation and mold shaping, which gives good contact with fluid, because the sepiolite is composed of small fibers and becomes hard aggregates after drying. Two types of sepiolite, short fiber and long fiber types, were examined, and it was found that the short fiber sepiolite is more suitable for the HAS impregnation substrate and for forming into shapes. The adsorption amount at 0.1 ppm acetaldehyde concentration is 1.0mol/kg, and the strength measured by collapsing method of the honeycomb made of the short fiber sepiolite was 1.4 MPa which is enough for industrial use.
日本粘土学会の論文
2001-12-31